Home / 49,549.48-74,325.18-12,109.64

Finding the Fourth Proportional to 49,549.48, 74,325.18 and 12,109.64

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Solution

The fourth proportional to 49,549.48, 74,325.18 and 12,109.64 is: 18,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,549.48 : 74,325.18 = 12,109.64 : x
  2. Step 2: Convert to fraction form
    49,549.48/74,325.18 = 12,109.64/x
  3. Step 3: Cross multiply
    49,549.48x = 74,325.18 × 12,109.64
  4. Step 4: Simplify right side
    49,549.48x = 900,051,172.74
  5. Step 5: Solve for x
    x = 900,051,172.74/49,549.48
  6. Step 6: Final answer
    x = 18,164.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.